McLaren 650S Coupe (2015) is 139 mm (5.47 inch) wider and 717 kg (1,581 lbs) lighter than Porsche Cayenne (2019).
Porsche Cayenne (2019) is 343 mm (13.50 inch) longer, 485 mm (19.09 inch) higher and has 526 liters (18.58 ft3) bigger cargo space than McLaren 650S Coupe (2015).